http://en.wikipedia.org/wiki/Kopi_Luwak You have got to be joking. Litter box coffee??
I guess Coffee Primero is a brand that makes a synthetic version by mimicking the enzymes or something-o-rather. http://www.coffeeprimero.com/public/index.asp
Actually, this kid seems to be enjoying it: http://www.youtube.com/watch?v=28PRET...
Interesting, I had not heard of an artificial alternative, although I think "fake" or farmed civet coffee is probably pretty common. Well, I ended up ordering some from a website in NY that was rec on the General Chowhounding board and the recipient of the gift was thrilled, which is what really counts anyway!